Report, Band 10Johns Hopkins Press, 1918 CONTENTS.--Vol. I (1897)--Vol. II (1898)--Vol. III (1899)--Vol. IV (1902)--Vol. V (1905)--Vol. VI (1906)--Vol. VII (1908)--Vol. VIII (1909)--Vol. IX (1911)--Vol. X (1918)--Vol. XI (1922)--Vol. XII (1928)--Vol. XIII (1937)--Vol. 14 (1941) |
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Seite 23
... Blue Ridge ... 91 27. View of the valley of Monroe Run eroded in the Schooley peneplain of the Alleghany Plateau ...... .. 92 28. Crabtree Creek 93 29. View of Swallow Falls , Youghiogheny Valley , Garrett County ... 30. View showing ...
... Blue Ridge ... 91 27. View of the valley of Monroe Run eroded in the Schooley peneplain of the Alleghany Plateau ...... .. 92 28. Crabtree Creek 93 29. View of Swallow Falls , Youghiogheny Valley , Garrett County ... 30. View showing ...
Seite 70
... Blue Ridge and Great Valley are made up largely of Cambrian and Ordovician beds , in places so developed or eroded as to expose the associated igneous rocks ; the Appalachian Mountains proper are made up of sharply folded Silurian and ...
... Blue Ridge and Great Valley are made up largely of Cambrian and Ordovician beds , in places so developed or eroded as to expose the associated igneous rocks ; the Appalachian Mountains proper are made up of sharply folded Silurian and ...
Seite 82
... Blue Ridge highlands with their South Mountain extension in southern Pennsylvania gradually decline to the level of the lower plateau , and the surface of the Piedmont hill country with higher lands of inconspicuous elevation extends to ...
... Blue Ridge highlands with their South Mountain extension in southern Pennsylvania gradually decline to the level of the lower plateau , and the surface of the Piedmont hill country with higher lands of inconspicuous elevation extends to ...
Seite 83
... Blue Ridge mountains that it has seemed best to follow the same usage in Maryland . THE DIVISIONS OF THE PIEDMONT PLATEAU The Piedmont Plateau is divided into two regions called , respectively , the eastern division and the western ...
... Blue Ridge mountains that it has seemed best to follow the same usage in Maryland . THE DIVISIONS OF THE PIEDMONT PLATEAU The Piedmont Plateau is divided into two regions called , respectively , the eastern division and the western ...
Seite 90
... Blue Ridge district , the Greater Appalachian Valley , composed of the Great Valley and the Alleghany Ridges , and the Alleghany Plateau . Each district presents certain marked physiographic characteristics that sepa- rate it from the ...
... Blue Ridge district , the Greater Appalachian Valley , composed of the Great Valley and the Alleghany Ridges , and the Alleghany Plateau . Each district presents certain marked physiographic characteristics that sepa- rate it from the ...
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Häufige Begriffe und Wortgruppen
30 feet Allegany County Anne Arundel County Aquia Average elevation Baltimore beds beneath the surface Blue Ridge Calvert Capacity of reservoir carried to reservoir Cecil County Chesapeake Bay Choptank City Clark Hoshall Coastal Plain Creek Cretaceous crystalline rocks Cumberland Curtis Bay Daily consumption Delaware deposits Diameter district Downin drilled Eastern Shore Elevation above source elevation above town Eocene feet beneath feet deep feet in depth Fire hydrants flow formation Frederick gallons per minute Garrett County Geological glauconite gneiss gravel gray Hagerstown Hard head inches iron limestone lower Magothy Mary's Maryland Matawan miles Miocene Mountain Municipality Nanjemoy Patapsco Patuxent peneplain Percentage of population Piedmont Plateau Pleistocene population supplied Potomac River Prince George's County Public supply sand sandstone sandy clay shales shallow Soft southern Sparrows Point springs streams SURFACE WATERS surface yields UNDERGROUND WATERS Upper valleys Washington water horizons Waterworks western Wicomico Worcester County